Ciphony equipment
[电] 密码电话机
🧩 词语组成解析
[计] 密码电话学
🗣️ 情景例句
For a beginner, you're pretty good.
做为一个初学者，你已经做得很好了。
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
She was in the city to visit her daughter.
她住在农村。